1. Orbis terrarum typus de integro multis in locis emendatus Author/Creator: Keere, Pieter van den, 1571-ca. 1624 Publication/Creation: S.l. : s.n., ca. 1616 Format: Map Access & Availability: Loading
2. Ordo orbis terrae : die Weltsicht in den Mappae mundi des frühen und hohen Mittelalters Author/Creator: Englisch, Brigitte Publication/Creation: Berlin : Akademie Verlag, [2002] Format: Book Access & Availability: Loading
3. Organization of Petroleum Exporting Countries (OPEC), 1973 Publication/Creation: [S.l.] : Maps.com, c1999 Format: Map Access & Availability: Loading
4. An Ottoman cosmography : translation of Cihānnümā Author/Creator: Kâtip Çelebi, 1609-1657, author Publication/Creation: Leiden ; Boston : Brill, [2021] Format: Book Access & Availability: Loading
5. The Oxford map companion : one hundred sources in world history Author/Creator: Seed, Patricia Publication/Creation: New York : Oxford University Press, [2014] Format: Map Access & Availability: Loading
6. Oxford new concise world atlas Author/Creator: George Philip & Son Publication/Creation: London : Philip's ; New York, NY : Published in North America by Oxford University Press, [2009] Format: Map Edition: 3rd edition. Access & Availability: Loading
7. Oxford new concise world atlas Publication/Creation: London : Philip's ; New York : Published in North America by Oxford University Press, [2006] Format: Map Edition: 2nd edition. Access & Availability: Loading